133424223 has 4 divisors (see below), whose sum is σ = 177898968. Its totient is φ = 88949480.

The previous prime is 133424201. The next prime is 133424231. The reversal of 133424223 is 322424331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322424331 = 3 ⋅107474777.

It is a cyclic number.

It is not a de Polignac number, because 133424223 - 2⁵ = 133424191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133424193 and 133424202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133424323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22237368 + ... + 22237373.

It is an arithmetic number, because the mean of its divisors is an integer number (44474742).

Almost surely, 2^133424223 is an apocalyptic number.

133424223 is a deficient number, since it is larger than the sum of its proper divisors (44474745).

133424223 is an equidigital number, since it uses as much as digits as its factorization.

133424223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44474744.

The product of its digits is 3456, while the sum is 24.

The square root of 133424223 is about 11550.9403513307. The cubic root of 133424223 is about 510.9890112437.

Adding to 133424223 its reverse (322424331), we get a palindrome (455848554).

The spelling of 133424223 in words is "one hundred thirty-three million, four hundred twenty-four thousand, two hundred twenty-three".